Home / 11,865.12-16,372.26-6,560.16

Finding the Fourth Proportional to 11,865.12, 16,372.26 and 6,560.16

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Solution

The fourth proportional to 11,865.12, 16,372.26 and 6,560.16 is: 9,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.12 : 16,372.26 = 6,560.16 : x
  2. Step 2: Convert to fraction form
    11,865.12/16,372.26 = 6,560.16/x
  3. Step 3: Cross multiply
    11,865.12x = 16,372.26 × 6,560.16
  4. Step 4: Simplify right side
    11,865.12x = 107,404,645.16
  5. Step 5: Solve for x
    x = 107,404,645.16/11,865.12
  6. Step 6: Final answer
    x = 9,052.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.